Home / 198,191.07-273,502.28-107,544.73

Finding the Fourth Proportional to 198,191.07, 273,502.28 and 107,544.73

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Solution

The fourth proportional to 198,191.07, 273,502.28 and 107,544.73 is: 148,410.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,191.07 : 273,502.28 = 107,544.73 : x
  2. Step 2: Convert to fraction form
    198,191.07/273,502.28 = 107,544.73/x
  3. Step 3: Cross multiply
    198,191.07x = 273,502.28 × 107,544.73
  4. Step 4: Simplify right side
    198,191.07x = 29,413,727,489.47
  5. Step 5: Solve for x
    x = 29,413,727,489.47/198,191.07
  6. Step 6: Final answer
    x = 148,410.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.